Question

A computer program changed one number into another. The program changes 12 into 9, 20 into 15, and 100 into 75. What number will 60 be changed into?

12 → program → 9
20 → program → 9
→ 9
100 →
program
→ 75
60 →
program
→ ?

Answer 1

still need help?

Answer 2

now you have the equation 60/x = 4/3, and all you have to do is simply solve for x.
60/x = 4/3 (multiply by x)
60 = 4x/3 (multiply by 3)
180 = 4x (divide by 4)
x = 45

Answer 3

@didierr